Open House Alert! Not Your Great-Grandmother's Edwardian in Presidio Heights, $7.495M

Where: 3481 Washington Street, Presidio HeightsWhen: Sunday, May 19 from 2 to 4 pmWhat: For a neighborhood of spectacularly large homes, this c.1906, 3-bed, 4.5-bath house is narrow and hemmed in on a tight lot. Inside, it's another story altogether. The owner replaced much of the original wood structure with steel, opening up the spaces for flexible, modern living. To bring in more light, wall-sized scrims of acid-etched glass and steel were installed in what had once been a air shaft. Below, the entry hall is softly illuminated even on a dark day: